Question

Q. 9. Solve.
(a)
This triangle is known to be isosceles.
2x4
*x-18
Use this information to find x.
(b)
Is this triangle equilateral ?​

Answer 1

a=2

b=x

c=4

a+b+c=18

2+x+4=18

6+x =18

x= 18/6

x= 3

so the value of x is 3